android.graphics.SweepGradient的实例源码

项目：airgram    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,int height) {

        Bitmap bitmap = Bitmap.createBitmap(width,height,Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[] { 0f,1f,1f };
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2,height / 2,colors,null);
        RadialGradient radialGradient = new RadialGradient(width / 2,colorWheelRadius,0xFFFFFFFF,0x00FFFFFF,TileMode.CLAMP);
        ComposeShader composeShader = new ComposeShader(sweepGradient,radialGradient,PorterDuff.Mode.SRC_OVER);

        colorWheelPaint.setShader(composeShader);

        Canvas canvas = new Canvas(bitmap);
        canvas.drawCircle(width / 2,colorWheelPaint);

        return bitmap;

    }

项目：airgram    文件：multicolorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：labtablet    文件：ColorPickerDialog.java   

ColorPickerView(Context c,OnColorChangedListener l,int color) {
    super(c);
    mListener = l;
    mColors = new int[]{
            0xFFFF0000,0xFFFF00FF,0xFF0000FF,0xFF00FFFF,0xFF00FF00,0xFFFFFF00,0xFFFF0000
    };
    Shader s = new SweepGradient(0,mColors,null);

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mPaint.setShader(s);
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setstrokeWidth(32);

    mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCenterPaint.setColor(color);
    mCenterPaint.setstrokeWidth(5);
}

项目：planetcon    文件：ColorPicker.java   

private Bitmap createColordiscBitmap(int radius) {
    int centerColor,edgeColor;
    Bitmap bitmap = Bitmap.createBitmap(2 * radius,2 * radius,Config.ARGB_8888);

    Canvas canvas = new Canvas(bitmap);
    mHSV[0] = 0; mHSV[1] = 1; mHSV[2] = 1;   //red
    SweepGradient sweepGradient = new SweepGradient(radius,radius,getColors(mHSV),null);
    mColorPaint.setShader(sweepGradient);
    canvas.drawCircle(radius,mColorPaint);

    mHSV[0] = 0; mHSV[1] = 0; mHSV[2] = 1;   //white
    centerColor = Color.HSVToColor(255,mHSV);
    edgeColor = Color.HSVToColor(0,mHSV);
    RadialGradient radialGradient = new RadialGradient(radius,centerColor,edgeColor,TileMode.CLAMP);
    mColorPaint.setShader(radialGradient);
    canvas.drawCircle(radius,mColorPaint);

    return bitmap;
}

项目：AndroidDigIn    文件：SweepGradienTradarView.java   

@Override
protected void onSizeChanged(int w,int h,int oldw,int oldh) {
    super.onSizeChanged(w,h,oldw,oldh);
    mCx = w / 2;
    mCy = h / 2;
    mSweepGradient = new SweepGradient(mCx,mCy,new int[]{Color.argb(25,255,0),Color.argb(80,Color.argb(200,0)},new float[]{0,0.95f,1.0f});
    mPaint = new Paint();
    mPaint.setShader(mSweepGradient);
    mDividerPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCircleDividerColor = Color.BLACK;
    mCrossDividerColor = Color.WHITE;
    mRadarBgColor = Color.rgb(154,154,154);
    mDividerPaint.setColor(mCircleDividerColor);
    mDividerPaint.setstrokeWidth(3);
    mDividerPaint.setStyle(Paint.Style.stroke);
}

项目：buildAPKsApps    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：buildAPKsApps    文件：multicolorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：FamilyBond    文件：CountDownProgress.java   

private void drawCircle(Canvas canvas) {

        canvas.save();
        canvas.translate(getPaddingLeft(),getPaddingTop());
        canvas.drawCircle(defaultCircleRadius,defaultCircleRadius,defaultCriclePaint);
        mCenterPoint.x = defaultCircleRadius;
        mCenterPoint.y = defaultCircleRadius;
        canvas.rotate(270,mCenterPoint.x,mCenterPoint.y);
        mSweepGradient = new SweepGradient(mCenterPoint.x,mCenterPoint.y,mGradientColors,null);
        progresspaint.setShader(mSweepGradient);
        canvas.drawArc(new RectF(0,defaultCircleRadius * 2,defaultCircleRadius * 2),1,360 * currentAngle,false,progresspaint);

        float currentDegreeFlag = 360 * currentAngle + exTradistance + 90;
        float smallCircleX = 0,smallCircleY = 0;
        float hudu = (float) Math.abs(Math.PI * currentDegreeFlag / 180);//Math.abs：绝对值 ，Math.PI：表示π ， 弧度 = 度*π / 180
        smallCircleX = (float) Math.abs(Math.sin(hudu) * defaultCircleRadius + defaultCircleRadius);
        smallCircleY = (float) Math.abs(defaultCircleRadius - Math.cos(hudu) * defaultCircleRadius);
        canvas.drawCircle(smallCircleX,smallCircleY,smallCircleRadius,smallCirclePaint);
        canvas.drawCircle(smallCircleX,smallCircleRadius - smallCirclestrokeWidth,smallCircleSolidePaint);//画小圆的实心
        canvas.restore();

    }

项目：androidShader_rippleView_radarView    文件：RadarView.java   

public RadarView(Context context,@Nullable AttributeSet attrs) {
    super(context,attrs);
    init(context,attrs);


    mBgPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mBgPaint.setColor(mRadarBackGroundColor);
    mBgPaint.setStyle(Paint.Style.FILL);

    mRadarPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mRadarPaint.setColor(mRadarCircleColor);
    mRadarPaint.setStyle(Paint.Style.stroke);
    mRadarPaint.setstrokeWidth(2);

    mRadarGradient = new SweepGradient(0,mRadarStartColor,mRadarEndColor);

    mMatrix = new Matrix();
}

项目：controllerformote-android    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：px-android    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,Config.ARGB_8888);

        int colorCount = 12;
        int colorAngleStep = 360 / 12;
        int colors[] = new int[colorCount + 1];
        float hsv[] = new float[]{0f,1f};
        for (int i = 0; i < colors.length; i++) {
            hsv[0] = (i * colorAngleStep + 180) % 360;
            colors[i] = Color.HSVToColor(hsv);
        }
        colors[colorCount] = colors[0];

        SweepGradient sweepGradient = new SweepGradient(width / 2,colorWheelPaint);

        return bitmap;

    }

项目：TanTanPaneView    文件：TanTanpaneView.java   

private void init() {
    mPaint = new Paint();
    mPaint.setstrokeWidth(3);
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setAntiAlias(true);
    mPaint.setColor(0xFFD72E1F);


    mGradientPaint = new Paint();
    mGradientPaint.setstrokeWidth(3);
    mGradientPaint.setAntiAlias(true);
    mGradientPaint.setColor(0xFFBC131F);
    SweepGradient shader = new SweepGradient(mWidth / 2,mHeight / 2,Color.TRANSPARENT,0xFFD72E1F);
    mGradientPaint.setShader(shader);
    rotateMatrix = new Matrix();
}

项目：BLE_ToolBox_Android    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：XO    文件：ColorPickerDialog.java   

ColorPickerView(Context c,null);

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mPaint.setShader(s);
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setstrokeWidth(32);

    mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCenterPaint.setColor(color);
    mCenterPaint.setstrokeWidth(5);
}

项目：WireGoggles    文件：ColorCircle.java   

/**
 * Initializes variables.
 */
void init() {

       mColors = new int[] {
           0xFFFF0000,0xFFFF0000
       };
       Shader s = new SweepGradient(0,null);

       mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
       mPaint.setShader(s);
       mPaint.setStyle(Paint.Style.stroke);

       mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
       mCenterPaint.setstrokeWidth(5);
}

项目：FingerColoring-Android    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：RadaranimationView    文件：RadaranimationView.java   

private void configurePaintParams() {
  int delta = (numberOfRings * outerRingsspacingPx + innerRingRadiousPx * 2) / 2;
  radarShadowBoundsRectF =
      new RectF(viewWidth / 2 - delta,viewHeight / 2 - delta,viewWidth / 2 + delta,viewHeight / 2 + delta);

  innerLoadingViewBoundsRecF =
      new RectF(viewWidth / 2 - innerRingRadiousPx,viewHeight / 2 - innerRingRadiousPx,viewWidth / 2 + innerRingRadiousPx,viewHeight / 2 + innerRingRadiousPx);

  int colors[] = {
      Color.parseColor("#b5615e"),Color.parseColor("#b5a15c"),Color.parseColor("#93bb5c"),Color.parseColor("#b5615e")
  };
  float[] positions = { 0f,.25f,.50f,.95f };
  innerLoadingGradientPaint.setShader(
      new SweepGradient(viewWidth / 2,viewHeight / 2,positions));

  shadowPaint.setShadowLayer(10.0f,0.0f,2.0f,Color.BLACK);

  int colors2[] = { Color.TRANSPARENT,Color.GRAY };
  float[] positions2 = { 0f,.90f,};
  radarFillSectionPaint.setShader(
      new SweepGradient(viewWidth / 2,colors2,positions2));
}

项目：Triango    文件：ColorPickerDialog.java   

ColorPickerView(Context c,int color,int pickerViewRadius,int pickerCentreRadius) {
    super(c);
    CENTER_X = pickerViewRadius * 2;
    CENTER_Y = pickerViewRadius * 2;
    CENTER_RADIUS = pickerCentreRadius;
    mListener = l;
    mColors = new int[]{
            0xFFFF0000,0xFF000000,null);

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mPaint.setShader(s);
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setAlpha(0x99);
    mPaint.setstrokeWidth((float) 0.6 * pickerViewRadius);

    mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCenterPaint.setColor(color);
    //mPaint.setAlpha(0x99);
    mCenterPaint.setstrokeWidth((float) 0.10 * pickerCentreRadius);
}

项目：UofT-TiMetable    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：Mu-Retargeter-1.0    文件：ColorPickerDialog.java   

ColorPickerView(Context c,null);

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mPaint.setShader(s);
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setAlpha(0x99);
    mPaint.setstrokeWidth((float) 0.6 * pickerViewRadius);

    mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCenterPaint.setColor(color);
    //mPaint.setAlpha(0x99);
    mCenterPaint.setstrokeWidth((float) 0.10 * pickerCentreRadius);
}

项目：AyoSunny    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：faims-android    文件：ColorPickerDialog.java   

ColorPickerView(Context c,int color) {
    super(c);
    mColors = new int[] {
        0xFFFF0000,null);

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mPaint.setShader(s);
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setstrokeWidth(32);

    mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCenterPaint.setColor(color);
    mCenterPaint.setstrokeWidth(5);
    alpha = Color.alpha(color);

}

项目：Domo-Android    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：Domo-Android    文件：multicolorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：nightdream    文件：CustomAnalogClock.java   

private void drawBackgroundArc(Canvas canvas,float centerX,float centerY,int radius,double angle) {
    if (decoration != decoration.MINUTE_HAND) return;
    canvas.save();
    paint.setAlpha(70);
    paint.setColorFilter(customColorFilter);
    final int[] colors = {Color.TRANSPARENT,Color.WHITE};
    final float[] positions = {0.5f,1.f};
    Shader gradient = new SweepGradient(centerX,centerY,positions);
    float rotate = (float) radiansTodegrees(angle);
    Matrix gradientMatrix = new Matrix();
    gradientMatrix.preRotate(rotate,centerX,centerY);
    gradient.setLocalMatrix(gradientMatrix);

    paint.setShader(gradient);
    paint.setStyle(Paint.Style.FILL_AND_stroke);
    canvas.drawCircle(centerX,handLengthMinutes * radius,paint);
    paint.setShader(null);
    canvas.restore();
}

项目：soulissapp    文件：ColorPickerView.java   

/**
 * @param context
 * @param listener
 * @param color
 */
ColorPickerView(Context context,T16RGBAdvancedFragment.OnColorChangedListener listener,RelativeLayout canv,Soulisstypical16AdvancedRGB typ) {
    super(context);
    paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setShader(new SweepGradient(0,null));
    paint.setStyle(Paint.Style.stroke);
    paint.setstrokeWidth(stroke_WIDTH);

    centerPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    centerPaint.setColor(color);
    centerPaint.setstrokeWidth(5);

    dialogColorChangedListener = listener;
    colorSwitchRelativeLayout = canv;
    collected = typ;
}

项目：fakedawn    文件：TimeSlider.java   

public void onCursorsMoved(IntervalSlider i,float leftMovement,float rightMovement) {

    setLeftText(getLeftTime().toString());
    setRightText(getRightTime().toString());

    int colors[] = new int[] {0xFF000000,m_color,m_color};
    Shader s = new SweepGradient(0,null);
    s = new LinearGradient(
            getLeftPos()*getWidth()-0.1F,getRightPos()*getWidth()+0.1F,Shader.TileMode.CLAMP);
    m_paint.setShader(s);
    setRectPaint(m_paint);

    if((leftMovement != 0.0F || rightMovement != 0.0F) && 
            (m_timesChangedListener != null))
    {
        m_timesChangedListener.onTimesChanged((TimeSlider) i);
    }
}

项目：Mi-Band    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：Android-Paint    文件：ColorPickerDialog.java   

ColorPickerView(Context context,int color){
    super(context);
    onColorChangedListener = l;
    colors = new int[]{
        0xFFFF0000,0xFFFF0000
    };
    Shader shader = new SweepGradient(0,null);

    paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    paint.setShader(shader);
    paint.setStyle(Paint.Style.stroke);
    paint.setstrokeWidth(32);

    centerPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    centerPaint.setColor(color);
    centerPaint.setstrokeWidth(5);
}

项目：circular-slider-android    文件：CircularSlider.java   

@Override
protected void onSizeChanged(int w,int oldW,int oldH) {
    // use smaller dimension for calculations (depends on parent size)
    int smallerDim = w > h ? h : w;

    // find circle's rectangle points
    int largestCenteredSquareLeft = (w - smallerDim) / 2;
    int largestCenteredSquaretop = (h - smallerDim) / 2;
    int largestCenteredSquareRight = largestCenteredSquareLeft + smallerDim;
    int largestCenteredSquareBottom = largestCenteredSquaretop + smallerDim;

    // save circle coordinates and radius in fields
    mCircleCenterX = largestCenteredSquareRight / 2 + (w - largestCenteredSquareRight) / 2;
    mCircleCenterY = largestCenteredSquareBottom / 2 + (h - largestCenteredSquareBottom) / 2;
    mCircleRadius = smallerDim / 2 - mBorderThickness / 2 - mPadding;

    if (mBorderGradientColors != null) {
        mGradientShader = new SweepGradient(mCircleRadius,mCircleRadius,mBorderGradientColors,null);
    }

    // works well for Now,should we call something else here?
    super.onSizeChanged(w,oldW,oldH);
}

项目：reDalert-android    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：EspLight-APP    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：ProjectX    文件：CircleProgressBar.java   

/**
 * 绘制进度
 *
 * @param canvas 画布
 */
protected void drawProgress(Canvas canvas) {
    if (mRadius == 0 || mProgressSize == 0 || mAnimatorProgress < 0)
        return;
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setstrokeJoin(Paint.Join.ROUND);
    mPaint.setstrokeCap(Paint.Cap.ROUND);
    mPaint.setstrokeWidth(mProgressSize);
    final float halfCircleSize = mProgressSize * 0.5f;
    mRectF.set(-mRadius + halfCircleSize,-mRadius + halfCircleSize,mRadius - halfCircleSize,mRadius - halfCircleSize);
    SweepGradient sweepGradient = new SweepGradient(0,mGradientPositions);
    mRotateMatrix.setRotate(mStartAngle,0);
    sweepGradient.setLocalMatrix(mRotateMatrix);
    mPaint.setShader(sweepGradient);
    canvas.save();
    canvas.drawArc(mRectF,mStartAngle,mAnimatorProgressAngle,mPaint);
    canvas.restore();
}

项目：ProjectX    文件：CircleProgressBar.java   

/**
 * 绘制载入
 *
 * @param canvas 画布
 */
protected void drawLoading(Canvas canvas) {
    mPaint.setStyle(Paint.Style.stroke);
    mPaint.setstrokeJoin(Paint.Join.ROUND);
    mPaint.setstrokeCap(Paint.Cap.ROUND);
    mPaint.setstrokeWidth(mProgressSize);
    final float halfCircleSize = mProgressSize * 0.5f;
    SweepGradient sweepGradient = new SweepGradient(0,mGradientPositions);
    mRotateMatrix.setRotate(mStartAngle - mloadingStartAngle -
            mloadingSweepAngle * mloadingOffset,0);
    sweepGradient.setLocalMatrix(mRotateMatrix);
    mPaint.setShader(sweepGradient);
    canvas.save();
    canvas.rotate(mloadingStartAngle);
    canvas.rotate(mloadingSweepAngle * mloadingOffset);
    canvas.drawPoint(mRadius - halfCircleSize,mPaint);
    canvas.restore();
}

项目：DMXControl-for-Android    文件：ColorCircle.java   

/**
 * Initializes variables.
 */
void init() {

    mColors = new int[]{
            0xFFFF0000,null);

    mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mPaint.setShader(s);
    mPaint.setStyle(Paint.Style.stroke);

    mCenterPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mCenterPaint.setstrokeWidth(5);
}

项目：MWord    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：MWord    文件：multicolorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：BluetoothBacon    文件：ColorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }

项目：BluetoothBacon    文件：multicolorPicker.java   

private Bitmap createColorWheelBitmap(int width,colorWheelPaint);

        return bitmap;

    }